The Valve,regulator,pre, cataloged under National Stock Number 4820-00-232-1103, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lockheed Martin Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,regulator,pre |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Curtiss-Wright Controls Integrated Sensing, Inc. (CAGE 02250); Lockheed Martin Corporation (CAGE 04939) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-232-1103 |
| Primary Part Number | 926010-1 |
| Item Name | Valve,regulator,pre |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 20028082 | Curtiss-Wright Controls Integrated Sensing, Inc. (USA) |
| 926010-1 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 926010-1 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
| 40610-1050 | 5/9 Secondary reference Futurecraft Corp Sub of South Bend Controls Inc |
| 40610-1050 | 5/9 Secondary reference Curtiss-Wright Controls Integrated Sensing, Inc. |
NSN 4820-00-232-1103 is a Valve,regulator,pre, manufactured by Lockheed Martin Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-232-1103 has 2 manufacturer part numbers on file: 20028082 (Curtiss-Wright Controls Integrated Sensing, Inc.), 926010-1 (Lockheed Martin Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-291-3969. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.